Home / 8,770.24-12,102.92-4,993.21

Finding the Fourth Proportional to 8,770.24, 12,102.92 and 4,993.21

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Solution

The fourth proportional to 8,770.24, 12,102.92 and 4,993.21 is: 6,890.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.24 : 12,102.92 = 4,993.21 : x
  2. Step 2: Convert to fraction form
    8,770.24/12,102.92 = 4,993.21/x
  3. Step 3: Cross multiply
    8,770.24x = 12,102.92 × 4,993.21
  4. Step 4: Simplify right side
    8,770.24x = 60,432,360.66
  5. Step 5: Solve for x
    x = 60,432,360.66/8,770.24
  6. Step 6: Final answer
    x = 6,890.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.